Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Vulnerability of Tropical Rainforests
Document related concepts
no text concepts found
Transcript
Vulnerability of Tropical Rainforests Description Occupies 2% of Earth’s surface (7% of land mass) Contains 50 -90% of all species 20% of all plant species Commercial Value Wood Fuel Mahogany and teak Potential for medical and pharmaceutical use of plant material Trade Rubber Latex Chicle Nuts Tourism and Ecotourism Vulnerability? Most fertile and productive ecosystems Decomposition rates are very fast Nutrients are incorporated quickly into vegetation Land used as cattle ranching Leaches nutrients Decreases root holding capactiy Decrease in transpiration Changes weather patterns Areas become deserts Ecological Value Photosynthesis and oxygen regeneration Water cycling and purification Climate control Cultural Value Indigenous people have intrinsic rights Great knowledge and wisdom Plants life Medical uses of plants
Related documents